public frmConfig()
{
InitializeComponent();
string[] ports = SerialPort.GetPortNames();
Array.Sort(ports);
cmbPortName.Items.AddRange(ports);
appConfig appc = (appConfig)genericConfig.getDefaultConfig(new appConfig());
if (appc != null)
{
this.txtInterval.Text = appc.sendDataInterval;
if (appc.sendDataType == enumSendDataType.UDP)
{
this.radioUDP.Checked = true;
}
else
if (appc.sendDataType == enumSendDataType.SerialPort)
{
this.radioSerialPort.Checked = true;
}
}
this.loadUdpConfig();
this.LoadSerialConfig();
}
public static void startUDPListening()
{
try
{
//We are using UDP sockets
serverSocket = new Socket(AddressFamily.InterNetwork,
SocketType.Dgram, ProtocolType.Udp);
appConfig ac = appConfig.getDefaultConfig();
port = ac.port;
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, port);
//Bind this address to the server
serverSocket.Bind(ipEndPoint);
IPEndPoint ipeSender = new IPEndPoint(IPAddress.Any, 0);
//The epSender identifies the incoming clients
EndPoint epSender = (EndPoint)ipeSender;
//Start receiving data
serverSocket.BeginReceiveFrom(byteData, 0, byteData.Length,
SocketFlags.None, ref epSender, new AsyncCallback(OnReceive), epSender);
}
catch (Exception ex)
{
Debug.WriteLine(
string.Format("UDPServer.startUDPListening -> error = {0}"
, ex.Message));
}
}
private void btnOK_Click(object sender, EventArgs e)
{
if (this.txtInterval.Text == null || this.txtInterval.Text.Length <= 0)
{
MessageBox.Show("请填写一个时间间隔，单位为微秒", "提示");
return;
}
string interval = this.txtInterval.Text;
enumSendDataType type = enumSendDataType.None;
try
{
int i = int.Parse(interval);
}
catch
{
MessageBox.Show("填写的时间间隔不正确", "提示");
return;
}
if (this.radioSerialPort.Checked == true)
{
type = enumSendDataType.SerialPort;
}
else if (this.radioUDP.Checked == true)
{
type = enumSendDataType.UDP;
}
appConfig config = new appConfig(type, interval);
genericConfig.saveConfig(config);
if (type == enumSendDataType.SerialPort)
{
serialPortConfig serialConfig = new serialPortConfig(cmbPortName.Text,
cmbBaudRate.Text,
cmbParity.Text,
cmbDataBits.Text,
cmbStopBits.Text);
genericConfig.saveConfig(serialConfig);
}
else
if (type == enumSendDataType.UDP)
{
UDPConfig udpConfig = new UDPConfig(this.txtServerIP.Text, this.txtPort.Text);
genericConfig.saveConfig(udpConfig);
}
this.Close();
}
//Broadcast the message typed by the user to everyone
private void btnSend_Click(object sender, EventArgs e)
{
try
{
if (btnSend.Text == "开始")
{
data2Send = txtMessage.Text;
this.maxLength = data2Send.Length;
this.currentLength = 0;
btnSend.Text = "停止";
this.button2.Enabled = false;
//根据配置确定udp还是串口
appConfig appc = (appConfig)genericConfig.getDefaultConfig(new appConfig());
if (appc != null)
{
this._timer.Interval = int.Parse(appc.sendDataInterval);
this.sendDataType = appc.sendDataType;
if (appc.sendDataType == enumSendDataType.UDP)
{
//打开UDP连接
if (this.clientSocket == null)
{
UDPConfig config = (UDPConfig)genericConfig.getDefaultConfig(new UDPConfig());
if (config != null)
{
//IP address of the server machine
IPAddress ipAddress = IPAddress.Parse(config.ip);
int port = int.Parse(config.port);
IPEndPoint ipEndPoint = new IPEndPoint(ipAddress, port);
epServer = (EndPoint)ipEndPoint;
}
//Using UDP sockets
clientSocket = new Socket(AddressFamily.InterNetwork,
SocketType.Dgram, ProtocolType.Udp);
}
}
else
if (appc.sendDataType == enumSendDataType.SerialPort)
{
//打开串口
if (this.comport == null)
{
serialPortConfig config = (serialPortConfig)genericConfig.getDefaultConfig(new serialPortConfig());
if (config != null)
{
this.comport = new SerialPort();
comport.PortName = config.portName;
comport.BaudRate = int.Parse(config.baudRate);
comport.DataBits = int.Parse(config.dataBits);
comport.StopBits = (StopBits)Enum.Parse(typeof(StopBits), config.stopBits);
comport.Parity = (Parity)Enum.Parse(typeof(Parity), config.parity);
comport.Open();
}
}
}
}
this._timer.Enabled = true;
}
else
{
this._timer.Enabled = false;
this.button2.Enabled = true;
btnSend.Text = "开始";
}
//string msgToSend = txtMessage.Text;
//byte[] byteData = Encoding.UTF8.GetBytes(msgToSend);
////Send it to the server
//clientSocket.BeginSendTo(byteData, 0, byteData.Length, SocketFlags.None, epServer, new AsyncCallback(OnSend), null);
//txtMessage.Text = null;
}
catch (Exception)
{
MessageBox.Show("Unable to send message to the server.", "SGSclientUDP: " + strName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
